Consolidated Statements of Partners' Equity (Unaudited) (Parentheticals)	6 Months Ended
Jun. 30, 2015 $ / shares
Cash distributions, per unit (in dollars per share)	$ 0.375

The amount of the distribution per unit of limited partner interests during the period.

No definition available.

Name:	eepl_PartnersCapitalAccountDistributionPerUnitOfLimitedPartnerInterests
Namespace Prefix:	eepl_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration